"Sun, 25 Jan 1970 01:28:30"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
19700125
Only TIME
01:28:30
General datetime
1970-01-25 01:28:30Z
For Database
1970-01-25 01:28:30
For HTTP1.1
Sun, 25 Jan 1970 01:28:30 GMT